CN103328830B - 包括电子液压泵的工程机械的液压系统 - Google Patents

包括电子液压泵的工程机械的液压系统 Download PDF

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Publication number
CN103328830B
CN103328830B CN201180065660.2A CN201180065660A CN103328830B CN 103328830 B CN103328830 B CN 103328830B CN 201180065660 A CN201180065660 A CN 201180065660A CN 103328830 B CN103328830 B CN 103328830B
Authority
CN
China
Prior art keywords
hydraulic pump
electro
control unit
pressure
electronic control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201180065660.2A
Other languages
English (en)
Chinese (zh)
Other versions
CN103328830A (zh
Inventor
林贤植
郑雨容
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HD Hyundai Infracore Co Ltd
Original Assignee
Doosan Infracore Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Doosan Infracore Co Ltd filed Critical Doosan Infracore Co Ltd
Publication of CN103328830A publication Critical patent/CN103328830A/zh
Application granted granted Critical
Publication of CN103328830B publication Critical patent/CN103328830B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0426—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with fluid-operated pilot valves, i.e. multiple stage valves
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2282—Systems using center bypass type changeover valves
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/26—Indicating devices
    • E02F9/267—Diagnosing or detecting failure of vehicles
    • E02F9/268—Diagnosing or detecting failure of vehicles with failure correction follow-up actions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/002—Electrical failure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/875—Control measures for coping with failures
    • F15B2211/8752—Emergency operation mode, e.g. fail-safe operation mode

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
CN201180065660.2A 2011-01-24 2011-12-26 包括电子液压泵的工程机械的液压系统 Expired - Fee Related CN103328830B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020110007073A KR101762951B1 (ko) 2011-01-24 2011-01-24 전자유압펌프를 포함하는 건설기계의 유압 시스템
KR10-2011-0007073 2011-01-24
PCT/KR2011/010081 WO2012102488A2 (fr) 2011-01-24 2011-12-26 Système hydraulique pour une machine de construction dotée d'une pompe hydraulique électronique

Publications (2)

Publication Number Publication Date
CN103328830A CN103328830A (zh) 2013-09-25
CN103328830B true CN103328830B (zh) 2015-11-25

Family

ID=46581239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180065660.2A Expired - Fee Related CN103328830B (zh) 2011-01-24 2011-12-26 包括电子液压泵的工程机械的液压系统

Country Status (5)

Country Link
US (1) US9284719B2 (fr)
EP (1) EP2669529B1 (fr)
KR (1) KR101762951B1 (fr)
CN (1) CN103328830B (fr)
WO (1) WO2012102488A2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8528684B2 (en) * 2011-11-30 2013-09-10 Deere & Company Charge pressure reduction circuit for improved transmission efficiency
US9739036B2 (en) * 2012-12-13 2017-08-22 Hyundai Construction Equipment Co., Ltd. Automatic control system and method for joystick control-based construction equipment
KR101969175B1 (ko) * 2012-12-24 2019-04-15 두산인프라코어 주식회사 자동 변속식 굴삭기
JP6220228B2 (ja) * 2013-10-31 2017-10-25 川崎重工業株式会社 建設機械の油圧駆動システム
CN106460370B (zh) * 2014-05-06 2019-05-10 伊顿公司 用于液压系统的低噪声控制算法
US10487855B2 (en) * 2016-09-29 2019-11-26 Deere & Company Electro-hydraulic system with negative flow control
KR102423410B1 (ko) * 2017-03-21 2022-07-21 현대두산인프라코어 주식회사 건설 기계의 비상 운전 방법 및 이를 수행하기 위한 장치
JP6782852B2 (ja) * 2018-03-15 2020-11-11 日立建機株式会社 建設機械
WO2020013816A1 (fr) * 2018-07-11 2020-01-16 Halliburton Energy Services, Inc. Utilisation d'une pompe de détection de charge en tant que secours pour une pompe à compensation de pression
WO2020071567A1 (fr) * 2018-10-02 2020-04-09 Volvo Construction Equipment Ab Dispositif de commande d'une unité d'exploitation d'équipement de construction
CN111441416A (zh) * 2020-05-07 2020-07-24 金华深联网络科技有限公司 一种挖掘机作业控制方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077973A (en) * 1988-07-29 1992-01-07 Kabushiki Kaisha Komatsu Seisakusho Apparatus for controlling a construction machine
US5138838A (en) * 1991-02-15 1992-08-18 Caterpillar Inc. Hydraulic circuit and control system therefor
CN101802417A (zh) * 2007-09-13 2010-08-11 卡特彼勒公司 执行适应性流动控制的致动器控制系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06213205A (ja) * 1993-01-14 1994-08-02 Hitachi Constr Mach Co Ltd 油圧機械の油圧駆動装置
JP3445817B2 (ja) * 1993-11-11 2003-09-08 日立建機株式会社 建設機械の油圧駆動装置
JPH10174512A (ja) * 1996-12-16 1998-06-30 Yanmar Agricult Equip Co Ltd 自走車両のニュートラル検出装置
JP2711830B2 (ja) * 1997-02-10 1998-02-10 株式会社小松製作所 建設機械の制御装置
JP3625149B2 (ja) 1999-03-31 2005-03-02 コベルコ建機株式会社 建設機械の油圧制御回路
DE10124564A1 (de) * 2001-05-14 2002-11-28 Joma Hydromechanic Gmbh Verfahren zum Verstellen einer volumenstromvariablen Verdrängerpumpe in einem Brennkraftmotor
JP2006097855A (ja) * 2004-09-30 2006-04-13 Kobelco Contstruction Machinery Ltd 建設機械の走行制御装置
KR100641393B1 (ko) 2004-12-07 2006-11-01 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압제어회로 및 유압제어방법
KR101470626B1 (ko) * 2007-12-27 2014-12-09 두산인프라코어 주식회사 건설장비의 전자유압 시스템
US9016312B2 (en) * 2008-12-15 2015-04-28 Doosan Infracore Co., Ltd. Fluid flow control apparatus for hydraulic pump of construction machine
KR20100134332A (ko) * 2009-06-15 2010-12-23 볼보 컨스트럭션 이큅먼트 에이비 건설장비의 조작레버 잠금장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077973A (en) * 1988-07-29 1992-01-07 Kabushiki Kaisha Komatsu Seisakusho Apparatus for controlling a construction machine
US5138838A (en) * 1991-02-15 1992-08-18 Caterpillar Inc. Hydraulic circuit and control system therefor
CN101802417A (zh) * 2007-09-13 2010-08-11 卡特彼勒公司 执行适应性流动控制的致动器控制系统

Also Published As

Publication number Publication date
EP2669529A4 (fr) 2014-12-10
WO2012102488A2 (fr) 2012-08-02
KR20120085622A (ko) 2012-08-01
US20130312403A1 (en) 2013-11-28
US9284719B2 (en) 2016-03-15
KR101762951B1 (ko) 2017-07-28
WO2012102488A3 (fr) 2012-10-18
EP2669529A2 (fr) 2013-12-04
CN103328830A (zh) 2013-09-25
EP2669529B1 (fr) 2017-11-01

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151125